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Discover the magic of nom::combinator::value

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Bert Peters
2022-12-11 22:27:25 +01:00
parent 92db6e56c9
commit 6d9defce42
3 changed files with 6 additions and 3 deletions
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3
2022/src/day11.rs
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@@ -6,6 +6,7 @@ use nom::character::complete::digit1;
use nom::character::complete::newline;
use nom::combinator::map;
use nom::combinator::map_res;
use nom::combinator::value;
use nom::multi::separated_list0;
use nom::multi::separated_list1;
use nom::sequence::delimited;
@@ -81,7 +82,7 @@ fn parse_operation(input: &[u8]) -> IResult<&[u8], Operation> {
_ => Err(anyhow::anyhow!("Invalid operation {op:?}")),
},
),
map(tag("* old"), |_| Operation::Square),
value(Operation::Square, tag("* old")),
)),
)(input)
}